1: 68 percent / aq 10percent HCl / methanol / Heating 2: 96 percent / pyridine / Heating 3: 1.) AlCl3 2.)aq HCl / 1.) MeCN, 70 deg C, 2.) MeCN,50-60 deg C, 30 min View Scheme

hydrogenchloride in methanol Heating;